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Finding the Fourth Proportional to 339,645.84, 508,986 and 250,195.92

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Solution

The fourth proportional to 339,645.84, 508,986 and 250,195.92 is: 374,938.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,645.84 : 508,986 = 250,195.92 : x
  2. Step 2: Convert to fraction form
    339,645.84/508,986 = 250,195.92/x
  3. Step 3: Cross multiply
    339,645.84x = 508,986 × 250,195.92
  4. Step 4: Simplify right side
    339,645.84x = 127,346,220,537.12
  5. Step 5: Solve for x
    x = 127,346,220,537.12/339,645.84
  6. Step 6: Final answer
    x = 374,938.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.